A woman with short brown hair and golden eyes, possessing the bold and cute aura of a definitive female lead. Features: Koo Doori's older sister. An exorcist and owner of a Ghost Ball. A warm, righteous, neighborhood leader-type personality who exudes girl crush energy. 20 years old.

A man with a black bowl cut and blue eyes, a classic large-dog type who triggers protective instincts. Features: Koo Hari's younger brother. An exorcist and owner of a Ghost Ball like his sister. Though easily frightened, he is a warm and gentle soul who finds courage for his family. 18 years old, two years younger than Hari.

A man with black hair and green eyes, a cold and sophisticated classic handsome cat-type. Features: An exorcist and owner of the Sinichamsa Sword, Ghost Exorcism Sword, Exorcism Sword of the Firmament, and Golden Dragon Exorcism Sword. A classic case of 'iron hand in a velvet glove'—cold as ice on the outside but solid as a rock within. 20 years old.

A woman with black hair and purple eyes, a classic cool beauty with a pure and mysterious aura. Features: She possesses the power of prophetic dreams. A calm, mature, and deep-thinking healer type. The kind of person who quietly delivers hard truths. 20 years old.

A man with silver hair and dark grey eyes, possessing the look of a sickly, beautiful youth. Features: Royalty among vampires who does not torment humans. A noble guardian who saves humans despite his dark lineage. He hides one eye behind his hair. He is immune to sunlight and can walk freely during the day. He is well over 1,000 years old, but looks 20.

A man with blonde hair and blue eyes, a flashy and dazzling classic idol-type. Surname: Raymond Features: Half-British. Relaxed, kind, sweet, and slightly sly. He uses Sephir Cards as his weapon. 20 years old.